acoustic
听觉的声的
热门单词
- abrasive machine
- accessory symptoms
- accuracy of alignment
- acetylene welding set
- acetylurea
- aciculate
- acidproof paint
- acinus
- acoustical holography
- acquirement
- acrylic shirt
- actual frequency
- actualily
- adapter coupling
- adaptive dispersion
- adelomorphous cell
- adherent placenta
- adjustable attenuator
- adjusting mechanism
- adjusting screw
- admissible mark
